Electric Smelting and Refining: The Extraction and Treatment of Metals by Means of the Electric CurrentCharles Griffin, 1897 - 416 Seiten |
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Seite 10
... oxidised and cupric salts reduced - it is evident that the charge - capacity of the ions , and , therefore , the valency of the metal , is variable . Concerning the practical use of the table , it will suffice to add some remarks upon ...
... oxidised and cupric salts reduced - it is evident that the charge - capacity of the ions , and , therefore , the valency of the metal , is variable . Concerning the practical use of the table , it will suffice to add some remarks upon ...
Seite 16
... oxidised , especially in the presence of moisture ; they may even be melted in an open crucible without risk of burning . In the form of a fine powder or thin plate , however , magnesium oxidises very readily , and at a higher ...
... oxidised , especially in the presence of moisture ; they may even be melted in an open crucible without risk of burning . In the form of a fine powder or thin plate , however , magnesium oxidises very readily , and at a higher ...
Seite 44
... cause the metal to be oxidised . The vessel is placed in a furnace where it can be subjected Eng . Pat . 13,755 , Sept. 25 , 1851 . . to the action of a full red heat , and. 44 ELECTRIC SMELTING AND REFINING . Watt's Process,
... cause the metal to be oxidised . The vessel is placed in a furnace where it can be subjected Eng . Pat . 13,755 , Sept. 25 , 1851 . . to the action of a full red heat , and. 44 ELECTRIC SMELTING AND REFINING . Watt's Process,
Seite 82
... oxidised at the positive electrode owing to its having been carried forward by the circulation of the liquid caused by the necessarily high current - density used . The method originated by A. Feldman † must be regarded as retrograde ...
... oxidised at the positive electrode owing to its having been carried forward by the circulation of the liquid caused by the necessarily high current - density used . The method originated by A. Feldman † must be regarded as retrograde ...
Seite 86
... oxidised . A part of the metal is also lost , as previously shown , during its passage from the cathode by uniting with the halogen salts to form sub - compounds . The highest yield yet obtained with this apparatus has amounted to only ...
... oxidised . A part of the metal is also lost , as previously shown , during its passage from the cathode by uniting with the halogen salts to form sub - compounds . The highest yield yet obtained with this apparatus has amounted to only ...
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alkali metals alkaline earth metals alloys alumina aluminium fluoride amperes per sq anode antimony apparatus arrangement bath bismuth Borchers bottom calcium carbide carbon carbon rod carnallite cathode cell cent cerium charge chemical chloride chromium compartment compounds conductor containing copper crucible cryolite current density decomposed decomposition deposited described dissolved dynamo electric current electric furnace electrical connections electrode electrolyte electromotive force employed English Patent experiments extraction fluoride of aluminium fused salt fusible gases German Patent gold grms haloid salts heat hydrogen impurities ions iron latter lead liquid lithium magnesium material melting vessel mercury method metre mixture negative electrode nickel obtained oxide oxidised oxygen placed plant plates porcelain potassium production proportion pure quantity reduced refining reverberatory furnace separated shown in Fig Siemens silver smelting sodium solution specific gravity substance sufficient suitable sulphate sulphide sulphuric acid surface tank temperature tion tube vats volts whilst wire zinc